The binder identity does get cleared when goes from client process
into phone process. When it comes back from phone to client, the
binder identity should also be cleared.
Bug: 193923945
Test: atest android.telephony.cts.TelephonyManagerTest
Test: atest ImsServiceTest RcsFeatureControllerTest ImsMmTelManagerTest
Merged-In: I34225e32111879e155c9f7865f0045430d171467
Change-Id: I34225e32111879e155c9f7865f0045430d171467
(cherry picked from commit c18002c465)
588ec9f398